Mosquito killer



FIG. 1 is a perspective view of a mosquito killer showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depict portions of the mosquito killer in which the design is embodied that form no part of the claimed design. 

CLAIM The ornamental design for a mosquito killer, as shown and described. 